# Billdu vs Work Order Invoice

The clearest difference is ads: Billdu at none against Work Order Invoice's shown. Billdu also leads on update cadence (every 2 weeks vs every 6 months) and chart position (#68 vs unranked). Work Order Invoice's advantage is iOS requirement (14.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Billdu sells 10 in-app purchases, starting at $7.99 per month and Work Order Invoice sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Billdu ships an update every 2 weeks, Work Order Invoice every 6 months. The most recent releases landed on October 23, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Billdu | Work Order Invoice |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (26K ratings)](https://appshunter.io/ios/app/billdu-invoice-estimate-maker/id527885754/reviews)** | — |
| Number of ratings | **26K** | — |
| Positive reviews | 89.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 6 months |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#68** | — |
| Size | 207 MB | 37 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BILLDU LTD](https://appshunter.io/developer/501173313) | [Snappii](https://appshunter.io/developer/587096976) |

## What reviewers say

### Billdu

[App page](https://appshunter.io/ios/app/billdu-invoice-estimate-maker/id527885754)

**Currently charting:** #68 Top Grossing · Business (US App Store)

Create professional invoices and estimates quickly for your small business. This app helps you get paid faster with online payment options, track expenses by scanning receipts, and manage clients and inventory. It's designed for freelancers and contractors to maintain a professional image and streamline billing.

**Highlights:** Customizable invoice templates, Instant estimates and invoices, Online payment processing, Receipt scanning for expense tracking, Client and inventory management, Multi-device synchronization

**Features:** Apple Watch app, iMessage stickers, Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LITE - 1 month | $7.99 | per month |
| STANDARD (Month) | $14.99 | per month |
| STANDARD - 1 month | $14.99 | per month |
| STANDARD - 1 month | $14.99 | per month |
| PREMIUM (Month) | $27.99 | per month |
| PREMIUM - 1 month | $27.99 | per month |
| 24 invoices | $59.99 | per year |
| STARTER (Year) | $59.99 | per year |
| STANDARD (Year) | $119.99 | per year |
| STANDARD - 12 months | $119.99 | per year |

**What reviewers like**

- 🚀 Easy to use
- 📊 Helpful business features
- 🖼️ Professional-looking invoices
- 🕰️ Time-saving
- 💻 Seamless mobile experience

**What reviewers complain about**

- 🐛 Occasional crashes or bugs
- 🔍 Limited customization options
- 💳 Billing/payment issues
- 🕰️ Slow customer support response

**Reported bugs**

- Invoices not being received by clients
- Inconsistent invoice numbering
- Inability to save draft estimates

**Requested features**

- Improved date/time handling
- Ability to transfer data between businesses
- More customization options for invoices
- Integrated payment processing
- Enhanced reporting and analytics


### Work Order Invoice

[App page](https://appshunter.io/ios/app/work-order-invoice/id1144760298)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $0.99 | per month |
| Annual Subscription | $9.99 | per year |


## Frequently asked questions

### Is Billdu free?

Billdu is free to download, with in-app purchases available.

### Is Work Order Invoice free?

Work Order Invoice is free to download, with in-app purchases available.

### Do Billdu or Work Order Invoice have ads?

Work Order Invoice shows ads; Billdu does not.

### Which is updated more often, Billdu or Work Order Invoice?

Billdu ships an update every 2 weeks, and Work Order Invoice every 6 months. Most recently, Billdu was updated on October 23, 2026 and Work Order Invoice on September 25, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*